suppressed carrier

简明释义

抑制载波

英英释义

例句

1.Understanding the concept of a suppressed carrier is crucial for advanced telecommunications.

理解抑制载波的概念对高级电信非常重要。

2.The radio transmission utilized a suppressed carrier to minimize interference.

无线电传输使用了抑制载波以最小化干扰。

3.Engineers often use a suppressed carrier modulation technique to enhance signal clarity.

工程师们常用抑制载波调制技术来增强信号清晰度。

4.The signal was weak due to the presence of a suppressed carrier.

由于存在抑制载波，信号很弱。

5.In digital communication, a suppressed carrier can improve bandwidth efficiency.

在数字通信中，抑制载波可以提高带宽效率。

作文

In the field of electronics and communication, the term suppressed carrier refers to a technique used in amplitude modulation (AM) where the carrier signal is intentionally reduced or eliminated. This technique is particularly useful in improving the efficiency of signal transmission and reducing interference. Understanding the concept of suppressed carrier is essential for anyone studying telecommunications or working with radio frequencies.To grasp the significance of suppressed carrier, it is important to first understand what a carrier signal is. A carrier signal is a waveform that is modulated with an information-bearing signal for the purpose of conveying information. In traditional AM broadcasting, the carrier signal is transmitted along with the modulated signal, which can lead to inefficiencies and potential interference from other signals.The suppressed carrier technique addresses these issues by removing the carrier component from the transmitted signal. This results in a more efficient use of bandwidth and allows for better signal-to-noise ratios. The absence of the carrier also means that the transmitted signal is less likely to interfere with other signals, making it a preferred method in crowded frequency bands.One of the primary applications of suppressed carrier modulation is in single sideband (SSB) transmission. SSB is a refinement of amplitude modulation that eliminates the redundant carrier and one of the sidebands, thereby conserving power and bandwidth. This is particularly advantageous for long-distance communication, such as in maritime and aeronautical radio systems. By using suppressed carrier techniques, operators can achieve clearer transmissions over longer distances, which is crucial for safety and reliability.Another area where suppressed carrier is relevant is in digital communication systems. In these systems, the carrier signal can be suppressed to enhance the performance of the modulation scheme being used. For instance, in phase-shift keying (PSK), the carrier can be suppressed to improve the system's resistance to noise and interference. This leads to higher data rates and more reliable communication links.Moreover, the concept of suppressed carrier extends beyond traditional radio communications. It is also applicable in modern wireless technologies, including cellular networks and satellite communications. As the demand for higher data rates and more efficient use of the electromagnetic spectrum increases, techniques like suppressed carrier modulation become increasingly important.In conclusion, the term suppressed carrier represents a critical concept in the realm of electronic communications. By eliminating the carrier signal in certain types of modulation, engineers can enhance the efficiency and effectiveness of signal transmission. Whether in AM broadcasting, SSB transmission, or advanced digital communication systems, understanding suppressed carrier techniques is vital for anyone involved in the development and implementation of modern communication technologies. As we continue to push the boundaries of what is possible in telecommunications, the principles behind suppressed carrier will undoubtedly play a significant role in shaping the future of how we connect and communicate.

在电子和通信领域，术语抑制载波指的是一种在调幅（AM）中使用的技术，其中载波信号被故意减少或消除。这种技术在提高信号传输效率和减少干扰方面特别有用。理解抑制载波的概念对于任何学习电信或从事无线电频率工作的人来说都是至关重要的。要掌握抑制载波的重要性，首先必须了解什么是载波信号。载波信号是一个波形，它通过信息承载信号进行调制，以传递信息。在传统的AM广播中，载波信号与调制信号一起传输，这可能导致效率低下，并可能受到其他信号的干扰。抑制载波技术通过从传输信号中移除载波成分来解决这些问题。这导致带宽的更有效利用，并允许更好的信噪比。没有载波也意味着传输信号不太可能干扰其他信号，使其成为拥挤频段中的首选方法。抑制载波调制的主要应用之一是在单边带（SSB）传输中。SSB是调幅的一种精细化，消除了冗余的载波和一个边带，从而节省了功率和带宽。这在远程通信中尤其有利，例如在海事和航空无线电系统中。通过使用抑制载波技术，操作员可以在更长的距离上实现更清晰的传输，这对安全性和可靠性至关重要。抑制载波在数字通信系统中也相关。在这些系统中，可以抑制载波以增强所使用调制方案的性能。例如，在相位键控（PSK）中，可以抑制载波以提高系统对噪声和干扰的抗性。这导致更高的数据速率和更可靠的通信链路。此外，抑制载波的概念超越了传统的无线电通信。它同样适用于现代无线技术，包括蜂窝网络和卫星通信。随着对更高数据速率和更有效利用电磁频谱的需求增加，像抑制载波调制这样的技术变得越来越重要。总之，术语抑制载波代表了电子通信领域的一个关键概念。通过在某些类型的调制中消除载波信号，工程师可以提高信号传输的效率和效果。无论是在AM广播、SSB传输还是先进的数字通信系统中，理解抑制载波技术对于任何参与现代通信技术开发和实施的人来说都是至关重要的。随着我们继续推动电信领域的可能性，抑制载波背后的原理无疑将在塑造我们连接和交流的未来中发挥重要作用。